In Plain Language

Except in hotels, a door opening onto a public corridor that provides access to exit from a suite can't be designed to lock automatically, so residents are never accidentally locked out of their only route to an exit corridor.

This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.